How to clean and remove the computer keyboard cover
The computer keyboard cover is the input device of the computer. Because it is exposed to the outside, and the gap between the keyboard keys is large, small debris is easy to enter, and it is easy to get dirty and cause the keys to fail. Therefore, it should be cleaned frequently. The following is how to clean the keyboard thoroughly.
1. Remove the back cover
First, unplug the keyboard plug from the host, turn it over and you can see the fixing screws on the back. Unscrew all the screws on the back, you can take off the back cover.
2. Remove the circuit board and circuit film
After removing the back cover of the keyboard, you can see the soft circuit film. The structure of the circuit film is three layers. If there is debris between the layers of the film, it will cause the keys to fail. Therefore, the three-layer circuit film is also the object of our cleaning. There are no fixed screws on the 3-layer circuit film, which can be removed directly. They are fixed through the round holes on the film, and the outer screws are fixed to the front panel through the round holes on the circuit film. The circuit board of the keyboard is not big, there is no screw to fix it, and it can be taken off directly. There are not too many components on the circuit board, only a few circuit lines are connected. There are 3 indicator lights on the other side of the circuit board. This is the “num” in the upper right corner of your keyboard.
lock” and “scroll
lock” indicator light.
3. Remove all the keys
After removing the circuit board and the circuit film, all the buttons can be removed. There is a separate rubber pad on each button, so take them all off first. After all the fixing screws are removed, the buttons can be removed. The button is fixed with a plastic buckle, so you can remove it by pulling it hard.
4. Fully clean up
Now that all the removable parts have been removed, it is time to clean. The keyboard panel can be cleaned with a brush first, and then wiped clean with a cloth. The 3-layer circuit film can also be cleaned in this way. The keys can be cleaned with water or a special surface cleaner.
5. Install it back
After cleaning up, it is time to install. One thing everyone needs to pay attention to is to see if all the rubber pads are properly in their positions to avoid misalignment when installing other parts.